Evening Environmental Lab Technician I

LE002 Onterris Payroll, LLC; Orange (CA); On-site; USD 28,000 - 34,000; Full time

Job summary

Onterris is seeking a Laboratory Technician I for our Orange, CA laboratory to prepare samples, support daily lab operations, and deliver accurate results on time.

The role requires a high school diploma, familiarity with SOPs and safety practices, and the ability to work 2:00 pm – 10:30 pm, Monday through Friday. Compensation ranges from $20 to $25 per hour, commensurate with experience.

Qualifications

• High school diploma or equivalent required; associate degree or science coursework preferred.
• Familiarity with laboratory workflows and sample preparation concepts.
• Ability to follow SOPs precisely and work methodically.
• Familiarity with laboratory safety practices, PPE usage, and waste handling.
• Strong organizational and time-management skills.
• Clear verbal and written communication skills.
• Comfortable working with chemicals, solvents, and laboratory equipment.

Responsibilities

• Perform all Laboratory Assistant duties, including sample handling, organization, and general laboratory upkeep.
• Retrieve, store, and dispose of samples in accordance with SOPs, chain of custody, and hold-time requirements.
• Execute routine sample preparation for assigned SVOA methods under established SOPs.
• Prepare reagents and solutions following approved procedures.
• Perform gravimetric and titrimetric measurements as required.
• Support daily batch preparation and completion to meet turnaround time expectations.
• Perform waste handling, labeling, and documentation in compliance with regulatory and internal requirements.
• Maintain inventory awareness and notify senior staff of low or critical supplies.
• Maintain clean, organized, and contamination-controlled workspaces.
• Complete temperature logs and routine laboratory documentation accurately.
• Communicate workflow issues, delays, or deviations to senior technicians, analysts, or group leadership.
• Comply with Onterris Quality Assurance Program and Health & Safety Plan.
• All other duties as assigned.

Skills

SOPs adherence

Laboratory safety practices

Time management

Clear communication

Physical stamina

Education

High School diploma or equivalent

Job description

Onterris is seeking a Laboratory Technician I for our Orange, CA laboratory to prepare samples, support daily lab operations, and deliver accurate results on time.

The role requires a high school diploma, familiarity with SOPs and safety practices, and the ability to work 2:00 pm – 10:30 pm, Monday through Friday. Compensation ranges from $20 to $25 per hour, commensurate with experience.